<!DOCTYPE html>
<html lang="zh-CN">
    <head>
        <title>{:sysconf('app_name')} {:sysconf('app_version')}</title>
        <meta charset="utf-8">
        <link rel="icon" href="../image/favicon.ico">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width, initial-scale=0">
        <link href="__STATIC__/plugs/uploader/webuploader.css" rel="stylesheet" type="text/css"/>
        <link href="__STATIC__/plugs/uploader/theme/uploader.css" rel="stylesheet" type="text/css"/>
        <script src="__STATIC__/plugs/jquery/jquery.min.js"></script>
        <script src="__STATIC__/plugs/uploader/webuploader.min.js"></script>
        <script src="__STATIC__/plugs/uploader/theme/upload.js"></script>
    </head>
    <body>
        <div id="uploader">
            <div class="queueList">
                <div id="dndArea" class="placeholder">
                    <div id="filePicker"></div>
                </div>
            </div>
            <div class="statusBar" style="display:none;">
                <div class="progress">
                    <span class="text">0%</span>
                    <span class="percentage"></span>
                </div>
                <div class="info"></div>
                <div class="btns">
                    {if $mode!=='one'}
                    <div id="filePicker2"></div>
                    {/if}
                    <div class="uploadBtn">开始上传</div>
                </div>
            </div>
        </div>
        <script>
            /* global WebUploader */

            /**
             * 每个文件上传成功调用
             * @type Function
             */
            function uploaded(ret, file) {
                var url = ret.url || ret.site_url;
                $('#' + file.id).attr('data-md5', file.md5).attr('data-src', url);
                /*{if $mode === 'one'}*/
                top.$('[name="{$field}"]').map(function () {
                    top.$(this).attr('data-srcs', ret.url).attr('data-md5', file.md5).val(url).trigger('change');
                });
                top.layer.close(top.layer.getFrameIndex(window.name));
                /*{/if}*/
            }

            var isSuccessState = false;

            function completed() {
                var btnHTML = '完成上传';
                $('.uploadBtn').html(btnHTML).on('click', successSelected);

                function successSelected() {
                    if (!isSuccessState && this.innerHTML === btnHTML) {
                        isSuccessState = true;
                        var srcs = [], md5s = [];
                        $('[data-md5] .success').map(function () {
                            var $li = $(this).parents('[data-md5]');
                            md5s.push($li.attr('data-md5'));
                            srcs.push($li.attr('data-src'));
                        });
                        if (srcs.length < 1) {
                            return top.$.msg.tips('还没有选择文件,请勾选需要使用的文件！');
                        }
                        top.$('[name="{$field}"]').map(function () {
                            top.$(this).attr('data-srcs', srcs.join('|')).attr('data-md5', md5s.join('|')).val(srcs.join('|')).trigger('change');
                        });
                        top.layer.close(top.layer.getFrameIndex(window.name));
                    }
                }
            }

            // 当domReady的时候开始初始化
            $(function () {
                var $wrap = $('#uploader'),
                        /*文件容器*/
                        $queue = $('<ul class="filelist"></ul>').appendTo($wrap.find('.queueList')),
                        /*状态栏，包括进度和控制按钮*/
                        $statusBar = $wrap.find('.statusBar'),
                        /*文件总体选择信息。*/
                        $info = $statusBar.find('.info'),
                        /*上传按钮*/
                        $upload = $wrap.find('.uploadBtn'),
                        /*没选择文件之前的内容。*/
                        $placeHolder = $wrap.find('.placeholder'),
                        $progress = $statusBar.find('.progress').hide(),
                        /* 添加的文件数量*/
                        fileCount = 0,
                        /*添加的文件总大小*/
                        fileSize = 0,
                        /*优化retina, 在retina下这个值是2*/
                        ratio = window.devicePixelRatio || 1,
                        /*缩略图大小*/
                        thumbnailWidth = 110 * ratio, thumbnailHeight = 110 * ratio,
                        /*可能有pedding, ready, uploading, confirm, done.*/
                        state = 'pedding',
                        /*所有文件的进度信息，key为file id*/
                        percentages = {},
                        /*判断浏览器是否支持文件的base64*/
                        isSupportBase64 = (function () {
                            var data = new Image();
                            var support = true;
                            data.onload = data.onerror = function () {
                                if (this.width != 1 || this.height != 1) {
                                    support = false;
                                }
                            };
                            data.src = "";
                            return support;
                        }.call(this)),
                        /*检测是否已经安装flash，检测flash的版本*/
                        flashVersion = (function () {
                            var version;
                            try {
                                version = navigator.plugins['Shockwave Flash'];
                                version = version.description;
                            } catch (ex) {
                                try {
                                    version = new ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version');
                                } catch (ex2) {
                                    version = '0.0';
                                }
                            }
                            version = version.match(/\d+/g);
                            return parseFloat(version[0] + '.' + version[1], 10);
                        })(),
                        supportTransition = (function () {
                            var s = document.createElement('p').style,
                                    r = 'transition' in s || 'WebkitTransition' in s || 'MozTransition' in s || 'msTransition' in s || 'OTransition' in s;
                            return (s = null), r;
                        })(),
                        uploader;
                if (!WebUploader.Uploader.support('flash') && WebUploader.browser.ie) {
                    /*flash 安装了但是版本过低*/
                    if (flashVersion) {
                        (function (container) {
                            window['expressinstallcallback'] = function (state) {
                                switch (state) {
                                    case 'Download.Cancelled':
                                        alert('您取消了更新！');
                                        break;
                                    case 'Download.Failed':
                                        alert('安装失败');
                                        break;
                                    default:
                                        alert('安装已成功，请刷新！');
                                        break;
                                }
                                delete window['expressinstallcallback'];
                            };
                            var swf = '__STATIC__/plugs/uploader/expressInstall.swf';
                            var html = '<object type="application/' + 'x-shockwave-flash" data="' + swf + '" ';
                            if (WebUploader.browser.ie) {
                                html += 'classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" ';
                            }
                            html += 'width="100%" height="100%" style="outline:0">' +
                                    '<param name="movie" value="' + swf + '" />' +
                                    '<param name="wmode" value="transparent" />' +
                                    '<param name="allowscriptaccess" value="always" />' +
                                    '</object>';
                            container.html(html);
                        })($wrap);
                    } else {
                        $wrap.html('<a href="http://www.adobe.com/go/getflashplayer" target="_blank" border="0"><img alt="get flash player" src="http://www.adobe.com/macromedia/style_guide/images/160x41_Get_Flash_Player.jpg" /></a>');
                    }
                    return;
                } else if (!WebUploader.Uploader.support()) {
                    alert('Web Uploader 不支持您的浏览器！');
                    return;
                }
                // 文件上传前的检查
                WebUploader.Uploader.register({'before-send-file': 'preupload'}, {
                    preupload: function (file) {
                        var me = this, owner = this.owner, deferred = WebUploader.Deferred();
                        owner.md5File(file.source).fail(function () {
                            deferred.reject();
                        }).then(function (md5) {
                            file.md5 = md5;
                            var data = {id: file.id, md5: md5, uptype: '{$uptype}', filename: file.name};
                            $.ajax("{:url('admin/plugs/upstate')}", {
                                dataType: 'json', method: 'post', data: data, success: function (ret) {
                                    if (ret.code !== 'NOT_FOUND') {
                                        owner.skipFile(file);
                                        uploaded.call(uploader, ret.data, file);
                                        percentages[file.id] = [file.size, 1];
                                        updateTotalProgress();
                                        console.log('文件秒传成功 --> ' + file.name);
                                    } else {
                                        file.md5 = md5;
                                        file.token = ret.data.token || '';
                                        file.key = ret.data.file_url || '';
                                        file.site_url = ret.data.site_url || '';
                                        me.options.formData.OSSAccessKeyId = ret.data.OSSAccessKeyId || ''; // OSS
                                        me.options.formData.signature = ret.data.signature; // OSS
                                        me.options.formData.policy = ret.data.policy; // OSS
                                        me.options.formData.success_action_status = '200'; // OSS
                                        me.options.server = ret.data.server;
                                    }
                                    deferred.resolve();
                                }
                            });
                        });
                        return deferred.promise();
                    }
                });

                // 实例化
                uploader = WebUploader.create({
                    pick: {
                        id: '#filePicker',
                        label: '点击选择文件',
                        /*{if $mode === 'one'}*/
                        multiple: false,
                        /*{else}*/
                        multiple: true,
                        /*{/if}*/
                    },
                    accept: {title: '选择文件', extensions: '{$types}', mimeTypes: '{$mimes}'},
                    formData: {},
                    /*{if $mode === 'one'}*/
                    auto: true,
                    fileNumLimit: 1,
                    /*{else}*/
                    auto: false,
                    fileNumLimit: 300,
                    /*{/if}*/
                    server: '{:url("admin/plugs/upload")}',
                    swf: '__STATIC__/plugs/uploader/Uploader.swf',
                    chunked: false,
                    dnd: '#dndArea',
                    paste: document.body,
                    chunkSize: 512 * 1024,
                    disableGlobalDnd: true,
                    fileSizeLimit: 200 * 1024 * 1024, // 200 M
                    fileSingleSizeLimit: 200 * 1024 * 1024, // 200 M
                    compress: {
                        width: 1600,
                        height: 16000,
                        crop: false, // 是否允许裁剪
                        quality: 90, // 图片质量(只有type为`image/jpeg`的时候才有效)
                        allowMagnify: false, // 是否允许放大(如果想要生成小图的时候不失真，此选项应该设置为false).
                        preserveHeaders: true, // 是否保留头部meta信息
                        noCompressIfLarger: false, // 如果发现压缩后文件大小比原来还大，则使用原来图片
                        compressSize: 1024 * 512, // 单位字节(如果图片大小小于此值，不会采用压缩)
                    }
                });

                /* 上传开始前的处理 */
                uploader.on('uploadBeforeSend', function (file, data, header) {
                    header['X_Requested_With'] = 'XMLHttpRequest';
                    data['allowed_types'] = this.options.accept[0].extensions.split(',').join('|');
                    data['token'] = file.file.token;
                    data['md5'] = file.file.md5;
                    data['key'] = file.file.key;
                });

                /* 处理上传后的结果 */
                uploader.on('uploadAccept', function (fieldata, ret) {
                    // Qiniu or Local 上传
                    if (ret.code === 'SUCCESS') {
                        uploaded.call(uploader, ret.data, fieldata.file);
                        return true;
                    }
                    // AliOSS 上传
                    if (fieldata.file.site_url) {
                        uploaded.call(uploader, {'site_url': fieldata.file.site_url}, fieldata.file);
                        return true;
                    }
                    // 接收服务器返回的错误消息
                    fieldata.file.setStatus('error', ret.msg);
                    return false;
                });

                // 拖拽时不接受 js, txt 文件。
                uploader.on('dndAccept', function (items) {
                    var denied = false, len = items.length, unAllowed = 'text/plain;application/javascript ';
                    for (var i = 0; i < len; i++) {
                        if (~unAllowed.indexOf(items[i].type)) {
                            denied = true;
                            break;
                        }
                    }
                    return !denied;
                });

                // 添加“添加文件”的按钮，
                uploader.addButton({id: '#filePicker2', label: '继续添加'});
                uploader.on('ready', function () {
                    window.uploader = uploader;
                });

                // 当有文件添加进来时执行，负责view的创建
                function addFile(file) {
                    var $li = $('<li id="' + file.id + '"><p class="title">' + file.name + '</p><p class="imgWrap"></p><p class="progress"><span></span></p></li>'),
                            $btns = $('<div class="file-panel"><span class="cancel">删除</span><span class="rotateRight">向右旋转</span><span class="rotateLeft">向左旋转</span></div>').appendTo($li),
                            $prgress = $li.find('p.progress span'), $wrap = $li.find('p.imgWrap'), $info = $('<p class="error"></p>');
                    var showError = function (code) {
                        var text = '';
                        switch (code) {
                            case 'exceed_size':
                                text = '文件大小超出';
                                break;
                            case 'interrupt':
                                text = '上传暂停';
                                break;
                            case 'http':
                            case 'server':
                            case 'abort':
                                text = '上传失败，请重试';
                                break;
                            default:
                                text = code;
                                break;
                        }
                        $info.text(text).appendTo($li);
                    };
                    if (file.getStatus() === 'invalid') {
                        showError(file.statusText);
                    } else {
                        // @todo lazyload
                        $wrap.text('预览中');
                        uploader.makeThumb(file, function (error, src) {
                            if (error) {
                                return $wrap.text('不能预览');
                            }
                            var img;
                            if (isSupportBase64) {
                                img = $('<img src="' + src + '">');
                                $wrap.empty().append(img);
                            } else {
                                $.ajax('{"plugs/file/preview"|url}', {method: 'post', data: src, dataType: 'json'}).done(function (response) {
                                    if (response.result) {
                                        img = $('<img src="' + response.result + '">');
                                        $wrap.empty().append(img);
                                    } else {
                                        $wrap.text("预览出错");
                                    }
                                });
                            }
                        }, thumbnailWidth, thumbnailHeight);
                        percentages[file.id] = [file.size, 0];
                        file.rotation = 0;
                        $upload.html('开始上传');
                    }
                    // 文件上传状态变化
                    file.on('statuschange', function (cur, prev) {
                        if (prev === 'progress') {
                            $prgress.hide().width(0);
                        } else if (prev === 'queued') {
                            $li.off('mouseenter mouseleave'), $btns.remove();
                        }
                        if (cur === 'error' || cur === 'invalid') {
                            showError(file.statusText);
                            percentages[file.id][1] = 1;
                        } else if (cur === 'interrupt') {
                            showError('interrupt');
                        } else if (cur === 'queued') {
                            percentages[file.id][1] = 0;
                        } else if (cur === 'progress') {
                            $info.remove(), $prgress.css('display', 'block');
                        } else if (cur === 'complete') {
                            $li.append('<span class="success"></span>');
                        }
                        $li.removeClass('state-' + prev).addClass('state-' + cur);
                    });
                    $li.on('mouseenter', function () {
                        $btns.stop().animate({height: 30});
                    }).on('mouseleave', function () {
                        $btns.stop().animate({height: 0});
                    });
                    $btns.on('click', 'span', function () {
                        switch ($(this).index()) {
                            case 0:
                                removeFile(file);
                                return uploader.removeFile(file);
                            case 1:
                                file.rotation += 90;
                                break;
                            case 2:
                                file.rotation -= 90;
                                break;
                        }
                        if (supportTransition) {
                            var deg = 'rotate(' + file.rotation + 'deg)';
                            $wrap.css({'-webkit-transform': deg, '-mos-transform': deg, '-o-transform': deg, 'transform': deg});
                        } else {
                            $wrap.css('filter', 'progid:DXImageTransform.Microsoft.BasicImage(rotation=' + (~~((file.rotation / 90) % 4 + 4) % 4) + ')');
                        }
                    });
                    $li.appendTo($queue);
                }

                // 负责view的销毁
                function removeFile(file) {
                    delete percentages[file.id];
                    updateTotalProgress();
                    $('#' + file.id).off().find('.file-panel').off().end().remove();
                }

                function updateTotalProgress() {
                    var loaded = 0, total = 0, spans = $progress.children(), percent;
                    $.each(percentages, function (k, v) {
                        total += v[0];
                        loaded += v[0] * v[1];
                    });
                    percent = total ? loaded / total : 0;
                    spans.eq(0).text(Math.round(percent * 100) + '%');
                    spans.eq(1).css('width', Math.round(percent * 100) + '%');
                    updateStatus();
                }

                function updateStatus() {
                    var text = '', stats;
                    if (state === 'ready') {
                        text = '选中' + fileCount + '个文件，共' + WebUploader.formatSize(fileSize) + '。';
                    } else if (state === 'confirm') {
                        stats = uploader.getStats();
                        if (stats.uploadFailNum) {
                            text = '已成功上传' + stats.successNum + '个文件，' + stats.uploadFailNum + '个文件上传失败，<a class="retry" href="#">重新上传</a>失败文件'
                        }
                    } else {
                        stats = uploader.getStats();
                        text = '共' + fileCount + '个（' + WebUploader.formatSize(fileSize) + '），已上传' + stats.successNum + '个';
                        if (stats.uploadFailNum) {
                            text += '，失败' + stats.uploadFailNum + '个';
                        }
                    }
                    $info.html(text);
                }

                function setState(val) {
                    var stats;
                    if (val === state) {
                        return;
                    }
                    $upload.removeClass('state-' + state);
                    $upload.addClass('state-' + val);
                    state = val;
                    switch (state) {
                        case 'pedding':
                            $placeHolder.removeClass('element-invisible');
                            $queue.hide();
                            $statusBar.addClass('element-invisible');
                            uploader.refresh();
                            break;
                        case 'ready':
                            $placeHolder.addClass('element-invisible');
                            $('#filePicker2').removeClass('element-invisible');
                            $queue.show();
                            $statusBar.removeClass('element-invisible');
                            uploader.refresh();
                            break;
                        case 'uploading':
                            $('#filePicker2').addClass('element-invisible');
                            $progress.show();
                            $upload.text('暂停上传');
                            break;
                        case 'paused':
                            $progress.show();
                            $upload.text('继续上传');
                            break;
                        case 'confirm':
                            $progress.hide();
                            $('#filePicker2').removeClass('element-invisible');
                            $upload.text('开始上传');
                            stats = uploader.getStats();
                            if (stats.successNum && !stats.uploadFailNum) {
                                setState('finish');
                                return;
                            }
                            break;
                        case 'finish':
                            stats = uploader.getStats();
                            if (stats.successNum) {
                                completed.call(this);
                            } else {
                                state = 'done';
                                location.reload();
                            }
                            break;
                    }
                    updateStatus();
                }

                uploader.onUploadProgress = function (file, percentage) {
                    var $li = $('#' + file.id), $percent = $li.find('.progress span');
                    $percent.css('width', percentage * 100 + '%');
                    percentages[file.id][1] = percentage;
                    updateTotalProgress();
                };

                uploader.onFileQueued = function (file) {
                    fileCount++;
                    fileSize += file.size;
                    if (fileCount === 1) {
                        $placeHolder.addClass('element-invisible');
                        $statusBar.show();
                    }
                    addFile(file), setState('ready'), updateTotalProgress();
                };

                uploader.onfieldequeued = function (file) {
                    fileCount--;
                    fileSize -= file.size;
                    !fileCount && setState('pedding');
                    removeFile(file), updateTotalProgress();
                };

                uploader.on('all', function (type) {
                    switch (type) {
                        case 'uploadFinished':
                            return setState('confirm');
                        case 'startUpload':
                            return setState('uploading');
                        case 'stopUpload':
                            return setState('paused');
                    }
                });

                uploader.onError = function (code) {
                    // 000alert('Error: ' + code);
                };

                $upload.on('click', function () {
                    if ($(this).hasClass('disabled')) {
                        return false;
                    }
                    if (state === 'ready') {
                        uploader.upload();
                    } else if (state === 'paused') {
                        uploader.upload();
                    } else if (state === 'uploading') {
                        uploader.stop();
                    }
                });

                $info.on('click', '.retry', function () {
                    uploader.retry();
                });

                $upload.addClass('state-' + state);
                updateTotalProgress();
            });

        </script>
    </body>
</html>
